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ELM460SM PDF预览

ELM460SM

更新时间: 2024-10-30 06:56:35
品牌 Logo 应用领域
ELM 振荡器
页数 文件大小 规格书
4页 30K
描述
IMPOSSIBLE OSCILLATOR

ELM460SM 数据手册

 浏览型号ELM460SM的Datasheet PDF文件第2页浏览型号ELM460SM的Datasheet PDF文件第3页浏览型号ELM460SM的Datasheet PDF文件第4页 
ELM460  
Impossible Oscillator  
Description  
Features  
The ELM460 is a complete astable oscillator  
• Requires no external components  
circuit in an 8 pin package. The circuit (impossibly!)  
requires no external components to operate, as all  
timing is generated internally.  
• Low power CMOS design - typically 1mA at 5V  
• Wide supply range - 3.0 to 5.5 volt operation  
• Provides periods from 0.1 to 600 seconds  
• High current drive outputs - up to 25 mA  
Immediately after power-up, the ELM460 begins  
to oscillate continuously at a frequency determined  
by the logic levels on the configuration inputs. At the  
end of every period, the circuit again reads these  
configuration settings, and automatically adapts to  
any changes that are made.  
Two outputs are provided, an active high output  
and it’s logical inverse. The circuit output is always a  
50msec pulse, independent of the time period  
selected.  
Connection Diagram  
PDIP and SOIC  
(top view)  
Applications  
1
2
3
4
8
7
6
5
VDD  
P1  
VSS  
Out  
Out  
M0  
• Time Base Generator  
• Power Gating Controller  
• LED Flasher  
P0  
M1  
• Programmable Timer  
Block Diagram  
Base Period  
Generator  
Rate  
Multiplier  
50ms Pulse  
Generator  
7
6
Out  
Out  
2
3
4
5
P1  
P0  
M1  
M0  
P1  
P0  
Period  
1 sec  
2 sec  
5 sec  
6 sec  
M1  
L
M0 Multiplier  
L
L
L
H
L
L
H
L
0.1  
1
L
H
H
H
H
10  
100  
H
H
ELM460DSB  
Elm Electronics – Circuits for the Hobbyist  
1 of 4  
< http://www.elmelectronics.com/ >  

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